Move dev gems to development group #3057

Job	Run time
ruby-versions / Generate Ruby versions	6s
Ruby 2.4, options - null	1m 35s
Ruby 2.5, options - null	2m 0s
Ruby 2.6, options - null	2m 1s
Ruby 2.7, options - null	58s
Ruby 3.0, options - null	47s
Ruby 3.1, options - null	49s
Ruby 3.2, options - { "codecov": 1 }	46s
Ruby 3.3, options - null	57s
Ruby jruby, options - null	1m 20s
Ruby jruby-head, options - null	1m 19s
	12m 38s

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